Smith & Wesson K Frame Model 12 Airweight .38 Special Hand - Part# 12129B 300" Part Number: 65938A

Part Number: 65938A

Side plates may have different screw configurations (4-screw vs 5-screw) depending on production era - verify your frame's screw pattern before ordering

To determine your Smith & Wesson revolver model number

Professional gunsmith installation is absolutely required to ensure safe operation and proper trigger function

Smith & Wesson Decocking Lever Assembly - Factory OEM Part

Smith & Wesson K Frame Model 12 Airweight .38 Special Hand - Part# 12129B 300" Part Number: 65938ASmith & Wesson K Frame Model 12 Airweight . 38 Special Hand (Cylinder Pawl) Part Number: 12129B Condition: Used Old Style Caliber: . 38 Special What Is the Hand? The hand (also called the pawl or cylinder hand) is a critical internal component of the revolver's action. It engages the cylinder ratchet and rotates the cylinder to the next chamber with each trigger pull or hammer cock. A worn or damaged hand can cause cylinder timing issues, misfires, or